*SUPPORT*
IN: fep fep wif lug blicket OUT: BLUE RED RED RED
IN: blicket gazzer wif lug blicket zup gazzer OUT: BLUE GREEN GREEN BLUE BLUE BLUE GREEN GREEN
IN: tufa tufa lug tufa wif lug fep wif OUT: RED RED YELLOW YELLOW YELLOW YELLOW
IN: fep gazzer OUT: RED GREEN
IN: gazzer OUT: GREEN
IN: tufa wif OUT: YELLOW YELLOW
IN: gazzer wif OUT: GREEN GREEN
IN: blicket lug fep OUT: RED BLUE
IN: fep tufa wif OUT: RED YELLOW YELLOW
IN: fep OUT: RED
IN: fep tufa OUT: RED YELLOW
IN: fep gazzer wif OUT: RED GREEN GREEN
IN: tufa gazzer blicket OUT: YELLOW GREEN BLUE
IN: gazzer fep OUT: GREEN RED

*QUERY*
IN: tufa gazzer tufa OUT: YELLOW GREEN YELLOW
IN: fep wif OUT: RED RED
IN: tufa wif lug tufa OUT: YELLOW YELLOW YELLOW
IN: gazzer wif lug blicket OUT: BLUE GREEN GREEN
IN: gazzer gazzer OUT: GREEN GREEN
IN: blicket wif OUT: BLUE BLUE
IN: gazzer wif lug gazzer wif OUT: GREEN GREEN GREEN GREEN
IN: fep lug blicket tufa wif OUT: BLUE YELLOW YELLOW RED
IN: gazzer gazzer wif OUT: GREEN GREEN GREEN
IN: gazzer zup gazzer wif lug blicket OUT: BLUE GREEN GREEN GREEN GREEN GREEN GREEN GREEN

*GRAMMAR*
fep -> RED 
 gazzer -> GREEN 
 blicket -> BLUE 
 tufa -> YELLOW 
 u1 wif -> [u1] [u1] 
 x1 lug x2 -> [x2] [x1] 
 x1 zup x2 -> [x1] [x2] [x2] [x1] [x1] 
 u1 x1 -> [u1] [x1] 
 